Dont work. Help please

[kak2z7702]

I have this code
he does not work.
just a white screen. not even about the error messages.
what am I doing wrong?

require_once ("TwitterOAuth/autoload.php");
require_once("TwitterOAuth/src/TwitterOAuth.php"); 
use Abraham\TwitterOAuth\TwitterOAuth;
$connection = new TwitterOAuth('XXXXXXXXXXXXXXXX', 'YYYYYYYYYYYYYYYY', 'GGGGGGGGGGGGGG', 'JJJJJJJJJJJJJJJJJJJJ');

$media1 = $connection->upload('media/upload', array('media' => 'http://my.site/forum/gallery/5591_02_07_15_8_54_47.jpeg'));

$parameters = array(
    'status' => 'Meow Meow Meow',
    'media_ids' => implode(',', array($media1->media_id_string, $media2->media_id_string)),
);
$result = $connection->post('statuses/update', $parameters);

[abraham]

The image has to be on your server as a file. It can't be a URL.